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^^^You're relatively new here, I see. This thread hasn't been about the movie for a long, long time, as long-time participants in this forum know. It's evolved into a general physics and astronomy discussion thread for the AVS science geeks. We like it that way.

Quote:

Originally Posted by Sean Nelson

For an interesting and entertaining SF read on this subject I highly recommend "Tau Zero" by Poul Anderson. He postulates the use of a "Bussard Ramjet" which uses magnetic fields to scoop hydrogen from the interstellar medium through which the ship is travelling. This serves both as a radiation shield and as a source of fuel. The ship accelerates close to the speed of light where the time dilation factor ("Tau") approaches zero.

One of my favorite "hard science" sci-fi novels. Quick read, very entertaining. A real page turner. Highly recommended if you're looking for a good beach-book this summer.

Folks do like to digress here (for some strange reason). And there's probably no reason why a thread dedicated specifically to space or UFO videos couldn't be started here... except that it would probably digress into theories about time travel, sasquatch and well-endowed actresses.

In our opinion, the source of such powerful and immense manifestation of acoustic-gravity waves must be very large-scale energy processes. These processes include powerful solar flares and huge energy flows generated by them, rushing towards Earth's surface and destabilizing the magnetosphere, ionosphere and upper atmosphere. Thus, the effects of powerful solar flares: the impact of shock waves in the solar wind, streams of corpuscles and bursts of electromagnetic radiation are the main causes of generation of acoustic-gravitation waves following increased solar activity.

Given the surge in solar activity as manifested itself in the higher number and energy of solar flares since mid-2011, we can assume that there is a high probability of impact of the substantial increase in solar activity on the generation of the unusual humming coming from the sky. It should be pointed out that solar activity began to rise sharply since early 2011.